The main products: environmental quality control.
即：主体产品环境质量控制。
Sewage closure is important measure for municipal water environmental quality control.
污水截流是城市水环境质量控制的重要措施。
We should stricly deal with and control pollution and speed up pollution treatment in major regions and river valleys. We should publish standards for monitoring environmental quality in large cities.
我们要严格控制和治理污染，加快重点地区和重点流域污染的治理，公布大城市环境质量监测指标。
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